baber/WOPTO huggingface dataset:
Patent WO-2019091014-A1 (WO)
Inventor: LIANG CHUNLI
IPC: H04L27/26
Filed: 2018-02-11
Abstract: New sequences have been proposed and/or adopted for short Physical Uplink Control Channel communications between base stations and UEs. In an exemplary embodiment, a UE communicates with a base station based on sequence groups that include the new sequences, where the new sequences are allocated to different sequence groups based, at least in part, on correlations with other existing sequences included in individual sequence groups.
Patent WO-2018166345-A1 (WO)
Title: 上行发送波束确定方法和装置
Inventor: GAO QIUBIN
IPC: H04W72/04
Filed: 2018-02-26
Abstract: 本公开实施例提供了一种上行发送波束确定方法和装置，该方法包括：基站向终端发送上行发送波束指示信息；其中，上行发送波束指示信息中包含波束类型指示信息，波束类型指示信息用于指示终端的上行发送波束是基于上行参考信号得到的，或者波束类型指示信息用于指示终端的上行发送波束是基于下行参考信号得到，确保基站能够为终端选择上行发送波束。
Patent WO-2018157861-A1 (WO)
Title: 一种鉴定胚胎平衡易位断裂点和平衡易位携带状态的方法
Inventor: BO SHIPING
IPC: C12Q1/68
Filed: 2018-03-02
Abstract: 提供了一种鉴定胚胎平衡易位断裂点和平衡易位携带状态的方法，其包括如下步骤：对样本进行扩增、测序；将测序序列比对到参考基因组，拷贝数分析；精确确定易位断裂点的位置；检测断裂点周围SNP，对SNP基因型分型；胚胎单倍型分析，综合判断正常染色体和易位染色体单倍型；确定胚胎携带状态，根据单倍型挑选不携带平衡易位的胚胎。
Patent WO-2018177169-A1 (WO)
Title: 直播互动系统、方法、装置及计算机可读存储介质
Inventor: ZHANG FUCHUN
IPC: H04N21/2187
Filed: 2018-03-21
Abstract: 本申请实施例公开了一种直播互动系统、方法及装置，属于视频直播技术领域。所述系统包括：服务器、与服务器具有第一通信连接的主播终端和至少一个观众终端、与主播终端具有第二通信连接的智能硬件；服务器用于接收观众终端发送的对应于智能硬件的第一控制请求，根据第一控制请求生成待发送的第二控制请求，并向主播终端发送第二控制请求；主播终端用于向智能硬件转发第二控制请求；智能硬件用于根据第二控制请求执行对应的操作。本申请实施例通过增加与主播终端相连的智能硬件，在主播用户直播的过程中，观众用户能够通过观众终端远程对智能硬件进行控制，从而丰富了直播互动形式，提升了直播过程中的互动效果，增加了用户粘性。
Patent WO-2018228015-A1 (WO)
Title: 回收装置以及磁性微粒回收方法
Inventor: KANG JINGANG
IPC: A61F9/007
Filed: 2018-03-22
Abstract: 一种磁性微粒的回收装置(100)包括主管道(110)、针管(120)以及吸入动力机构；针管(120)连接于主管道(110)的第一端，针管(120)末端具有磁性，以吸附一磁性微粒(200)至针管(120)的末端(121)；吸入动力机构用以将吸附在针管(120)的末端(121)的磁性微粒(200)吸入主管道(110)。该装置在由玻璃体(300)回收磁性微粒(200)的过程中，避免了由于采用玻璃体(300)消融术而引发的对视网膜黄斑和晶状体的直接伤害，或由于采用玻切术而间接引发的眼部病变。还公开了一种磁性微粒(200)的回收方法。
Patent WO-2019052193-A1 (WO)
Title: Air conditioner
Inventor: PENG JIELIN
IPC: F24F13/14
Filed: 2018-04-27
Abstract: An air conditioner (100), comprising: a main body (1), an upper air guide group (12) and a front air guide group (11). The main body (1) is provided with an air outlet (101) having an opening facing the front lower side; an upper channel (102) in communication with the air outlet (101) and adapted to blow air forward is provided above the air outlet (101); the upper air guide group (12) is used for guiding an airflow out from an exit of the upper channel; the upper air guide group (12) comprises an upper air diffuser plate (121); the front air guide group (11) is used for guiding the airflow out from an exit of the air outlet (101).
Patent WO-2019007165-A1 (WO)
Title: Thiourea copolymer heat stabilizer and preparation method therefor
Inventor: ZHOU YUMING
IPC: C08F20/60
Filed: 2018-05-28
Abstract: The present invention relates to a thiourea copolymer heat stabilizer and a preparation method therefor. The heat stabilizer is prepared from 4-(3-benzoyl thiourea)phenylacrylate monomers and acrylamide N heterocyclic derivative monomers by means of radical copolymerization. The structural general formula of the thiourea copolymer heat stabilizer is , wherein R is selected from one of , , and ; the polymerization degree X is 300-500; and the polymerization degree Y is 600-1000. The thiourea copolymer heat stabilizer is a macromolecule copolymer and is environment-friendly; the special disubstituted thiourea structure can easily substitute unstable chlorine atoms on polyvinyl chloride chains in the processing process to form a stable structure; the formation of conjugated systems is reduced; azomthine groups and alkaline N heterocyclic groups in molecular side chains can rapidly absorb the generated hydrogen chloride, inhibit the self-catalysis effect of hydrogen chloride and improve heat stability of polyvinyl chloride; the ester group in the molecular structure has a lubrication effect. The thiourea copolymer heat stabilizer can increase the lubrication performance of polyvinyl chloride in the processing process, improve the compatibility of the polyvinyl chloride, and is a novel heat stabilizer.
Patent WO-2019223043-A1 (WO)
Title: Air-cooled anti-spray motor structure
Inventor: WANG XIAN
IPC: H02K5/10
Filed: 2018-06-14
Abstract: Disclosed in the present utility model is an air-cooled anti-spray motor structure, comprising: a front end cover, a motor housing, a motor stator, a motor rotor, an axle, a rear end cover, an axial flow fan and a wind cover, wherein the motor stator and the motor rotor are disposed at an inner part of the motor housing, the motor rotor is disposed at an inner part of the motor stator, the front end cover penetrates the axle and is connected to the front end of the motor housing, the rear end cover penetrates the axle and is connected to the rear end of the motor housing, the axial flow fan penetrates the axle and is connected to the rear of the rear end cover, the wind cover is arranged at the periphery of the axial flow fan, the front end cover is opened with a front end cover ventilation hole, the rear end cover is opened with a rear end cover ventilation hole, and the front end cover comprises: a pump connection side, a motor connection side, and a middle portion. By means of the described manner, the air-cooled anti-spray motor structure provided in the present utility model is rainproof and simultaneously achieves excellent heat radiation.
Patent WO-2019237339-A1 (WO)
Title: Csi reporting for multiple trp transmission/panel
Inventor: GAO YUKAI
IPC: H04W72/04
Filed: 2018-06-15
Abstract: Embodiments of the present disclosure relate to methods, devices and apparatuses of channel state information (CSI) reporting for multiple reception point (TRP) transmission. In an embodiment of the present disclosure, a method may include transmitting a first CSI report on a first TRP of multiple TRPs serving a terminal device for a channel state information reference signal (CSI-RS) resource set for CSI acquisition. The method may further include transmitting a second CSI report on a second TRP of the multiple TRPs serving the terminal device for the CSI-RS resource set. With embodiments of the present disclosure, it is possible to support CSI reporting for multiple TRP transmission.
Patent WO-2020000503-A1 (WO)
Title: 商用酒店厨房物联网数据的异常检测分析方法及相关产品
Inventor: CHE DANDAN
IPC: G06Q50/12
Filed: 2018-07-06
Abstract: 一种商用酒店厨房物联网数据的异常检测分析方法及相关产品，方法包括如下步骤：获取商用酒店冷库传感器与网关的网络拓扑结构；依据该网络拓扑结构提取与该网络拓扑结构对应的异常模型，获取该传感器的数据，将该数据输入到该异常模型中分析该数据是否异常，如数据异常，进行预警提示。本方法及产品提供的技术方案具有对数据进行异常分析的优点。
Patent WO-2020006754-A1 (WO)
Inventor: LIN YAN
IPC: H04L27/26
Filed: 2018-07-06
Abstract: 本申请提供一种小区测量的方法与装置，该方法包括：获取辅助信息，该辅助信息包括服务小区与邻小区之间的定时偏差；根据该辅助信息以及该服务小区的同步信号块索引，获取该邻小区的同步信号块索引。本申请基于服务小区与邻小区之间的定时偏差以及服务小区的同步信号块索引，来获取邻小区的同步信号块索引，相比于现有技术，可以避免解析邻小区的广播信道，从而可以提高小区测量的效率。
Patent WO-2019011245-A1 (WO)
Title: Fractional quantization parameter offset in video compression
Inventor: LIU SHAN
IPC: H04N19/30
Filed: 2018-07-10
Abstract: A method of coding includes receiving a bitstream, obtaining a chroma quantization parameter range offset, a luma quantization parameter, quantization parameter offsets, and coefficients; calculating first intermediate chroma quantization parameters using the chroma quantization parameter range offset, the luma quantization parameter, and the quantization parameter offsets; where the first intermediate chroma quantization parameters have non-integer values; determining second intermediate chroma quantization parameters based on the first intermediate chroma quantization parameters, where the second intermediate chroma quantization parameters have non-integer values; calculating final chroma quantization parameters based on the second intermediate chroma quantization parameters and the chroma quantization parameter range offset; calculating a quantization step using the final chroma quantization parameters; quantizing the coefficients using the quantization step to produce quantized coefficients and transforming the quantized coefficients to residual pixels; and combining the residual pixels with prediction pixels to obtain reconstructed pixels.
Patent WO-2020006779-A1 (WO)
Title: Intelligent regulation system and method for mechanical seal
Inventor: HUANG WEIFENG
IPC: F16J15/00
Filed: 2018-07-16
Abstract: An intelligent regulation system for a mechanical seal, the system comprising: a monitoring device for measuring a signal correlated with a seal in real time; a control device, comprising a state determination module, a feasible region analysis module, an evaluation module and an optimizing module, wherein the state determination module unscrambles the signal obtained by the monitoring device to estimate the state of the seal; the feasible region analysis module determines, according to a current state, a state that the seal can reach by means of the regulating effect of a regulating device; the evaluation module evaluates a value for the state of the seal; and the optimizing module searches a feasible region, where the seal is regulated, for a regulating method with a relatively high value to the greatest extent, and accordingly sends an instruction to the regulating device; and the regulating device for actively applying an action to the seal according to the instruction given by the control device.
Patent WO-2019029470-A1 (WO)
Title: Data transmission method, network device and terminal device
Inventor: ZHANG RUIQI
IPC: H04B7/0413
Filed: 2018-08-06
Abstract: Provided by the present application are a data transmission method, network device and terminal device. The method comprises: a network device generating first information, a value of a bit comprised in the first information being used to indicate a demodulation reference symbol (DMRS) port combination in a second set, each DMRS port combination in the second set belonging to a first set, the first set comprising multiple DMRS port combinations, the DMRS port combinations comprising at least one DMRS port, and the number of DMRS port combinations comprised in the second set being less than the number of DMRS port combinations comprised in the first set; and the network device sending the first information to a terminal device. The embodiments of the present application may reduce signaling overhead.
Patent WO-2019136998-A1 (WO)
Inventor: LU ZHENWEI
IPC: B65G47/90
Filed: 2018-08-11
Abstract: 一种具有视觉系统的瓷砖桁架机械装置，具体包括机架（1）、控制机构、抓取机构和瓷砖平板车（7）、瓷砖货架（9），机架（1）包括x轴部分（2）、y轴部分（3）、z轴部分（4），z轴部分（4）包括z轴机械臂，z轴机械臂上安装有光学相机（6），瓷砖平板车（7）上设置有标识点（8），光学相机（6）可根据瓷砖平板车（7）上标识点（8）测量平板车x轴、y轴、z轴坐标以及平板车的偏离角度。
Patent WO-2019042174-A1 (WO)
Title: Method for synchronization between primary database and standby database, database system and device
Inventor: FAN XIAOJIAN
IPC: G06F17/30
Filed: 2018-08-20
Abstract: Disclosed in the embodiments of the present application are a method for synchronization between a primary database and a standby database, a database system and a device. The method comprises: a primary database acquiring, in response to a transaction commit request, the log difference between transaction logs of the primary database and transaction logs which have been synchronized to the standby database; if the log difference is greater than a first threshold, suspending a transaction commit operation; and if the log difference is less than or equal to the first threshold, executing the transaction commit operation.
Patent WO-2019042178-A1 (WO)
Title: Word line contact structure for three-dimensional memory devices and fabrication methods thereof
Inventor: ZHU JIFENG
IPC: H01L27/11529
Filed: 2018-08-20
Abstract: Embodiments of semiconductor structures including word line contact structures for three-dimensional memory devices and fabrication methods for forming word line contact structures are disclosed. The semiconductor structures include a staircase structure having a plurality of steps, and each step includes a conductive layer disposed over a dielectric layer. The semiconductor structures further include a barrier layer disposed over a portion of the conductive layer of each step. The semiconductor structures also include an etch-stop layer disposed on the barrier layer and an insulating layer disposed on the etch-stop layer. The semiconductor structures also include a plurality of conductive structures formed in the insulating layer and each conductive structure is formed on the conductive layer of each step.
Patent WO-2019072029-A1 (WO)
Title: Battery structure
Inventor: YANG SZU-NAN
IPC: H01M50/483
Filed: 2018-08-23
Abstract: A battery structure is disclosed. The battery structure includes a first current collector layer, a first active material layer, a spacer layer, a first plastic frame, a second active material layer and a second current collector layer. The first active material layer is disposed on the first current collector layer. The spacer layer is disposed on the first active material and completely covers the top surface of the first active material layer. The first plastic frame is disposed on the side wall of the spacer layer and the top of the first plastic frame has a protruding part which extends to the top surface of the spacer. The second active material layer is disposed on the spacer layer and the protruding part. The second active material is isolated from the first active material via the space layer and the protruding part. The second current collector layer is disposed on the second active material layer.
Patent WO-2019047863-A1 (WO)
Title: Apparatuses and methods for optical calibration
Inventor: LI XUESONG
IPC: G06T15/00
Filed: 2018-09-05
Abstract: An apparatus for optical calibration includes a calibration target (210, 415, 520, 610) simulating a combustion (115). The calibration target (210, 415, 520, 610) further includes a first light-emitting pattern (215, 521) and a first light-emitting mechanism effecting the first light-emitting pattern (215, 521). The apparatus includes two optical cameras (105-108, 205-208, 305-308, 405-408) aiming at the calibration target (210, 415, 520, 610), wherein each optical camera has an observation axis and there is an angle between the two observation axes.
Patent WO-2020037791-A1 (WO)
Title: Gimble head damping structure, gimble head system, and unmanned aerial vehicle
Inventor: LIU YONG
IPC: B64D47/08
Filed: 2018-10-11
Abstract: An unmanned aerial vehicle (300), a gimble head system (200), and a gimble head damping structure (100). The gimbal head damping structure (100) comprises a first support (10) having a bent structure, a second support (20) having a bent structure, and a plurality of damping bodies (30). The first support (10) comprises a first free end (111) and a second free end (121) opposite to each other. The first support (10) further comprises a first connection portion (13) provided at the first free end (111) and a second connection portion (14) provided at the second free end (121). The second support (20) comprises a third free end (211) and a fourth free end (221) opposite to each other. The second support (20) further comprises a third connection portion (23) provided at the third free end (211) and a fourth connection portion (24) provided at the fourth free end (221). The first connection portion (13) is connected to the third connection portion (23) by means of a damping body (30). The second connection portion (14) is connected to the fourth connection portion (24) by means of the damping body (30).
Patent WO-2019148898-A1 (WO)
Title: Adversarial cross-media retrieving method based on restricted text space
Inventor: WANG WENMIN
IPC: G06F17/30
Filed: 2018-10-23
Abstract: An adversarial cross-media retrieving method based on restricted text space, comprises: designing a feature extraction network, a feature mapping network and a modal classifier, obtaining a restricted text space by means of learning, extracting image and text features applicable to cross-media retrieval, and implementing the mapping of the image features from an image space to a text space; the diversity of feature distribution between data of different modals is continuously reduced during learning by means of an adversarial training mechanism, thereby achieving cross-media retrieval. The described method is capable of better fitting the behavior performance of humans during a cross-media retrieval task, obtaining image and text features that are more applicable to the cross-media retrieval task, and compensating for the deficiency in expressiveness of pre-training features; and the introduction of an adversarial learning mechanism further improves the accuracy of retrieval by means of the maximum and minimum games between a modal classifier and a feature mapping network.
Patent WO-2020087507-A1 (WO)
Title: Procédé, dispositif et support lisible par ordinateur d'ordonnancement de cellules de desserte
Inventor: YANG TAO
IPC: H04W72/04
Filed: 2018-11-02
Abstract: Les modes de réalisation de l'invention concernent un procédé, un dispositif et un support lisible par ordinateur d'ordonnancement de cellules de desserte. D'après les modes de réalisation de la présente invention, une BWP de taille non nulle en combinaison avec une RA nulle de façon à permettre une désactivation de cellule est utilisée en tenant compte d'un précédent état activé/désactivé d'une cellule de desserte.

Les comportements du dispositif terminal dépendent également du type de la cellule et de son état. Ainsi le surdébit a-t-il été réduit.
Patent WO-2019096057-A1 (WO)
Title: 动态图像生成方法和处理设备
Inventor: MA CHUNYANG
IPC: G06T13/80
Filed: 2018-11-08
Abstract: 本申请提供了一种动态图像生成方法和处理设备，其中，该方法包括：根据多个显示元素之间的位置关系，构建三维场景；通过调整观测点的参数，获取所述三维场景在所述观测点处形成的多个二维图像；根据所述多个二维图像，生成动态图像。通过上述方案解决了现有的需要一帧帧自己设置和调整图片，才能形成动态图像而导致的动态图像生成效率过低的技术问题，达到了简单高效生成动态图像的技术效果。
Patent WO-2019105357-A1 (WO)
Inventor: DONG ZHEN
IPC: G01N25/20
Filed: 2018-11-28
Abstract: 一种热物性探头，包括：有绝缘膜层的热丝（1）螺旋状绕制而成的探体；附着于探体外壁的保护层；连接探体两个引出线的两个接线端子（6）。探体包括细长圆筒丝状、细长圆筒针状及双螺旋圆片状接头，分别基于瞬态热线法、瞬态热针法和瞬态热面法测试物质的热物性参数。该热物性探头制作工艺简单，生产成本低廉；在相同热物性探头尺寸下，探头阻值可增加数倍至数十倍，可有效降低采集设备的需求精度；该热物性探头结构排布精密，测试精度高，有效降低探头尺寸，降低了对测试样品质量要求；该热物性探头可实现丝、针及双螺旋面三种典型结构集成在同一台测试装置上，完成大部分物质的热物性测试，通用性强，实用性强，易于推广。
Patent WO-2020097985-A1 (WO)
Inventor: SHA YAN
IPC: D01F1/10
Filed: 2018-11-28
Abstract: The present invention provides a graphene and ultra-high molecular weight polyethylene composite fiber and a preparation method therefor. The composite fiber comprises the following components: polyethylene, a reinforcement, a dispersant, and an antioxidant. The weight ratio of the polyethylene to the reinforcement is: 20-25 to 1.5-4.5. The reinforcement is hard fibers and graphene. The hard fibers and graphene of the present invention are mixed into ultra-high molecular weight polyethylene, so as to obtain an ultra-high molecular weight polyethylene composite fiber with high strength, cut resistance, improved puncture resistance, and high temperature resistance. Particularly, the composite fiber has a cut resistance level reaching level 5 of the U.S. Standard, and is mainly used in various cut-resistant and wear-resistant textiles, such as woven fabrics for hoses, cables, and woven fabrics for outer protective layers of optical cables; safety gear, including cut-resistant gloves, cut-resistant oversleeves, protective clothing, protective shoes, headgear, and aprons in the personal protection field; as well as sports apparel, civilian functional textiles, etc.
Patent WO-2020052111-A1 (WO)
Title: Goods receiving method and apparatus, storage medium, and express delivery box
Inventor: LI WENQING
IPC: G05D1/12
Filed: 2018-12-05
Abstract: A goods receiving method and apparatus, a storage medium, and an express delivery box, the goods receiving method being used in the express delivery box, the express delivery box comprising a bin door; receiving a box opening request of an unmanned aerial vehicle, the box opening request comprising a box opening code; implementing verification of the box opening code on the basis of a preset security code; and, if the verification of the box opening code is successful, then opening the bin door. The method uses an unmanned aerial vehicle to automatically deliver express delivery goods directly to an express delivery box of a user, without needing the user to go to a designated delivery location or a public express delivery locker to receive the express delivery, saving the collection time of the user and making the collection experience of the user more convenient, preventing the unmanned aerial vehicle from delivering to the wrong express delivery box and preventing unauthorised unmanned aerial vehicles from placing irrelevant items in the express delivery box, and improving the security of the express delivery box of the user.
Patent WO-2020133146-A1 (WO)
Inventor: HSIEH KUAN-HONG
IPC: H04W4/80
Filed: 2018-12-28
Abstract: 本申请涉及通信技术领域，公开了一种耳机通信方法。本申请的耳机通信方法中，所述耳机包括第一耳机和第二耳机，所述方法包括：第一耳机和第二耳机按照预设时序同步监听智能终端发送的数据，根据数据接收情况作出反馈处理：第一耳机若接收到数据，则发出第一应答信号，若未接收到数据，则不应答；以及第二耳机若接收到数据，则不应答，若未接收到数据，则发出第二应答信号。由此可见，利用本发明方案，两个耳机可以同时接收智能终端发送的数据，提高了通信的可靠性；此外，每个耳机都存在不应答的方式，降低了耳机的功耗。
Patent WO-2020142887-A1 (WO)
Title: Rigid polyisocyanurate and polyurethane foams and methods for preparing the same
Inventor: HU XIAOLIAN
IPC: C08G18/79
Filed: 2019-01-08
Abstract: A composition for preparing polyisocyanurate and polyurethane foams is provided, comprising A) a first isocyanate-reactive component comprising a bisphenol, B) a second isocyanate-reactive component different from the first isocyanate-reactive component, and C) a polyisocyanate component. A method for preparing the polyisocyanurate and polyurethane foams, and foams prepared thereby are also provided.
Patent WO-2019141266-A1 (WO)
Inventor: MA QIAN
IPC: A61K47/06
Filed: 2019-01-21
Abstract: 一种用于靶向活化的CD44分子的水凝胶纳米载体递送系统及其制备方法，所述纳米载体的表面部分地被靶向配体修饰，所述靶向配体是能与活化的CD44分子特异性结合的配体。该水凝胶纳米载体递送系统在制备用于诊断、预防和治疗易损斑块或与易损斑块相关疾病的药物中的用途。
Patent WO-2020155154-A1 (WO)
Inventor: LIU RONGPING
IPC: G07C9/00
Filed: 2019-02-02
Abstract: 一种钥匙管理箱、钥匙扣、钥匙管理装置及管理方法。其中钥匙管理箱(100)包括机身(40)，机身(40)上设置有若干个钥匙卡紧模组(10)，所述钥匙管理箱(100)还包括设置于机身内的总控PCB(52)，所述若干钥匙卡紧模组(10)与总控PCB(52)连接，由总控PCB(52)控制进行自动地卡紧或解锁钥匙扣(200)。上述装置和方法，能够实现智能管理钥匙。
Patent WO-2020164141-A1 (WO)
Inventor: LU YANG
IPC: H04W74/08
Filed: 2019-02-15
Abstract: 本发明提供了一种随机接入响应的发送和接收方法、装置和通信系统，其中，随机接入响应的发送方法包括：网络设备接收终端设备发送的第一消息，所述第一消息包含随机接入前导码和数据；如果所述网络设备解调出所述第一消息的随机接入前导码，但不能解调出所述第一消息的数据，则所述网络设备向所述终端设备发送第一随机接入响应，所述第一随机接入响应至少携带所述网络设备为所述终端设备分配的用于重传所述第一消息的数据的上行传输授权以及发送时间提前命令；所述网络设备接收所述终端设备发送的所述第一消息的数据的重传。由此，可以从2步基于竞争的随机接入失败的过程回退到4步基于竞争的随机接入，避免随机接入过程中断。
Patent WO-2020034621-A1 (WO)
Title: Display screen mounting structure and train having same
Inventor: ZHAO LONG
IPC: B61L15/00
Filed: 2019-03-01
Abstract: A display screen mounting structure and a train having same. The display screen mounting structure is mounted on a compartment body (60) of a train, and the display screen mounting structure comprises a display screen body (10) and a hanging assembly (20), the display screen body (10) being opposite a window frame (70) of the train; the hanging assembly (20) is provided at the upper end of the display screen body (10), the display screen body (10) is pivotably connected to the compartment body (60) by means of the hanging assembly (20), and the hanging assembly (20) is located at the upper side of the window frame (70); and the display screen body (10) is pivotably provided about the horizontal axis of the hanging assembly (20) and has a first preset position close to the window frame (70) and a second preset position away from the window frame (70).